{"id":224430,"date":"2025-11-03T13:08:40","date_gmt":"2025-11-03T19:08:40","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2025\/11\/why-we-used-to-sleep-in-two-segments-and-how-the-modern-shift-changed-our-sense-of-time"},"modified":"2025-11-03T13:08:40","modified_gmt":"2025-11-03T19:08:40","slug":"why-we-used-to-sleep-in-two-segments-and-how-the-modern-shift-changed-our-sense-of-time","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2025\/11\/why-we-used-to-sleep-in-two-segments-and-how-the-modern-shift-changed-our-sense-of-time","title":{"rendered":"Why we used to sleep in two segments \u2014 and how the modern shift changed our sense of time"},"content":{"rendered":"<p><a class=\"aligncenter blog-photo\" href=\"https:\/\/lifeboat.com\/blog.images\/why-we-used-to-sleep-in-two-segments-and-how-the-modern-shift-changed-our-sense-of-time.jpg\"><\/a><\/p>\n<p>From the article:<\/p>\n<p>\u201cIn multi-week sleep studies that simulate long winter nights in darkness and remove clocks or evening light, people in lab studies often end up adopting two sleeps with a calm waking interval. A 2017 study of a Madagascan agricultural community without electricity found people still mostly slept in two segments, rising at about midnight.\u201d<\/p>\n<hr>\n<p>There\u2019s a reason you sometimes wake up in the middle of the night.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>From the article: \u201cIn multi-week sleep studies that simulate long winter nights in darkness and remove clocks or evening light, people in lab studies often end up adopting two sleeps with a calm waking interval. A 2017 study of a Madagascan agricultural community without electricity found people still mostly slept in two segments, rising at [\u2026]<\/p>\n","protected":false},"author":715,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1506],"tags":[],"class_list":["post-224430","post","type-post","status-publish","format-standard","hentry","category-food"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/224430","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/users\/715"}],"replies":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/comments?post=224430"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/224430\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=224430"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=224430"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=224430"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}